In a discussion about error handling a while back, I mentioned to James
Taylor how insane it is to report a ClassCastException without citing the
offending class.

Presumably you know which class your handler is or can look it up in the
<handler> element of your deployment descriptor. You need to ensure that it
implements org.apache.axis.Handler, one way or another.

If that doesn't help, make sure your log4j.properties file of configured to
dump in DEBUG mode and check out the log for clues.

(I wonder if anyone has every estimated how much Java development time is
wasted globally on class path issues.)


Jeff


----- Original Message ----- 
From: "BVG" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, June 14, 2005 8:06 AM
Subject: classloader problem


I've a problem with classloader.
I got all the time CastClassException when I invoke directly a stub (Axis
1.2) on a JAAS module (Java authentication).
It seems the problem is on this line (WSDDTargetedChain.java:157):
pivot =
(Handler)ClassUtils.forName(pivotQName.getLocalPart()).newInstance();

the cast Handler is not from the same instance of result and throw a
CastClass Exception.
What can I do to prevent this frustrating problem?

I really need your help!
Thank you all!

--------------------- ERROR ---------------------------
AxisFault
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
 faultSubcode:
 faultString: java.lang.ClassCastException
 faultActor:
 faultNode:
 faultDetail:
    {http://xml.apache.org/axis/}stackTrace:java.lang.ClassCastException
    at
org.apache.axis.deployment.wsdd.WSDDTargetedChain.makeNewInstance(WSDDTarget
edChain.java:157)
    at
org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeploy
ableItem.java:274)
    at
org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployabl
eItem.java:260)
    at
org.apache.axis.deployment.wsdd.WSDDDeployment.getTransport(WSDDDeployment.j
ava:394)
    at
org.apache.axis.configuration.FileProvider.getTransport(FileProvider.java:25
7)
    at org.apache.axis.AxisEngine.getTransport(AxisEngine.java:332)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:163)
    at org.apache.axis.client.Call.invokeEngine(Call.java:2765)
    at org.apache.axis.client.Call.invoke(Call.java:2748)
    at org.apache.axis.client.Call.invoke(Call.java:2424)
    at org.apache.axis.client.Call.invoke(Call.java:2347)
    at org.apache.axis.client.Call.invoke(Call.java:1804)
    at
com.jcms.Axis.WSPortal.WS_AcessoPortalSoapStub.verificaAutenticacao(WS_Acess
oPortalSoapStub.java:321)
    at com.jcms.Axis.Webservices.VerificaAutenticacao(Webservices.java:263)
    at jaas.module.SampleLoginModule.login(SampleLoginModule.java:214)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:675)
    at
javax.security.auth.login.LoginContext.access$000(LoginContext.java:129)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:610)
    at java.security.AccessController.doPrivileged(Native Method)
    at
javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:607)
    at javax.security.auth.login.LoginContext.login(LoginContext.java:534)
    at org.apache.catalina.realm.JAASRealm.authenticate(JAASRealm.java:316)
    at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthent
icator.java:229)
    at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:446)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
    at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
    at java.lang.Thread.run(Thread.java:534)

    {http://xml.apache.org/axis/}hostname:bvg

java.lang.ClassCastException
    at org.apache.axis.AxisFault.makeFault(AxisFault.java:101)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:216)
    at org.apache.axis.client.Call.invokeEngine(Call.java:2765)
    at org.apache.axis.client.Call.invoke(Call.java:2748)
    at org.apache.axis.client.Call.invoke(Call.java:2424)
    at org.apache.axis.client.Call.invoke(Call.java:2347)
    at org.apache.axis.client.Call.invoke(Call.java:1804)
    at
com.jcms.Axis.WSPortal.WS_AcessoPortalSoapStub.verificaAutenticacao(WS_Acess
oPortalSoapStub.java:321)
    at com.jcms.Axis.Webservices.VerificaAutenticacao(Webservices.java:263)
    at jaas.module.SampleLoginModule.login(SampleLoginModule.java:214)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:675)
    at
javax.security.auth.login.LoginContext.access$000(LoginContext.java:129)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:610)
    at java.security.AccessController.doPrivileged(Native Method)
    at
javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:607)
    at javax.security.auth.login.LoginContext.login(LoginContext.java:534)
    at org.apache.catalina.realm.JAASRealm.authenticate(JAASRealm.java:316)
    at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthent
icator.java:229)
    at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:446)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
    at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
    at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.ClassCastException
    at
org.apache.axis.deployment.wsdd.WSDDTargetedChain.makeNewInstance(WSDDTarget
edChain.java:157)
    at
org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeploy
ableItem.java:274)
    at
org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployabl
eItem.java:260)
    at
org.apache.axis.deployment.wsdd.WSDDDeployment.getTransport(WSDDDeployment.j
ava:394)
    at
org.apache.axis.configuration.FileProvider.getTransport(FileProvider.java:25
7)
    at org.apache.axis.AxisEngine.getTransport(AxisEngine.java:332)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:163)
    ... 38 more
-     END: Webservice
SampleLoginModule abort() - BEGIN
SampleLoginModule abort() - END
- Login exception authenticating username teste
javax.security.auth.login.LoginException: java.lang.NullPointerException
    at jaas.module.SampleLoginModule.login(SampleLoginModule.java:217)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:675)
    at
javax.security.auth.login.LoginContext.access$000(LoginContext.java:129)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:610)
    at java.security.AccessController.doPrivileged(Native Method)
    at
javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:607)
    at javax.security.auth.login.LoginContext.login(LoginContext.java:534)
    at org.apache.catalina.realm.JAASRealm.authenticate(JAASRealm.java:316)
    at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthent
icator.java:229)
    at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:446)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
    at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
    at java.lang.Thread.run(Thread.java:534)

    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:730)
    at
javax.security.auth.login.LoginContext.access$000(LoginContext.java:129)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:610)
    at java.security.AccessController.doPrivileged(Native Method)
    at
javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:607)
    at javax.security.auth.login.LoginContext.login(LoginContext.java:534)
    at org.apache.catalina.realm.JAASRealm.authenticate(JAASRealm.java:316)
    at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthent
icator.java:229)
    at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:446)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
    at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
    at java.lang.Thread.run(Thread.java:534)

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